OF ARTS AND SCIENCES. 73 



POLTGALA ACANTIIOCLADA. Fniticulosa, bipnlalis. r;iin<)si>Niiii;i, 



Bubciuereo-pubescens, spiiiis gnicililms uniiata ; (oliis liiic.iii-spniliiilati.s 

 rigidulis (I'm. o— 4 loujiis) ; lloribus subaxillariltiis sparsis alljitlis liii. 

 2 loiigis pedicello basi bibractrato parum birviuribiis ; aU.s obovatis 

 sepalis ciBteris dupio majoribus corollaiu adivquantibus ; carina biir- 

 viter cvmbiformi iiiida dorso uinbunata. — Sides of bkiffs, on the Sail 

 Juan River, iu the south-easteiu border of Utah, T. S. lirandc-^ce, 

 in Ilaydeu's Exploration. Resembles P. subspinosa of ANalsoii, l)iit 

 woody ; the flowers scattered, pale, and less than half the size ; tiiu 

 free portion of the corolla of Ave short and obtuse lobes nearly equal 

 in leu>,'th and little longer than the united portion, emarginate ; the keel 

 not much larger, a conical boss on the upper part of the back ; no 

 crest. Spines of the brauchlets often compound. No fruit seen. 



Glossopetalon Nevadense. Cinereo-puberulum ; foliis ovalibus 

 e basi squamacea dilatata manifeste stipulifera ; floribus tetrarneris, — 

 Northern part of Washoe County, Nevada, J. G. Lemmon and E. L. 

 Case. An interesting addition to an anomalous genus, upon the 

 affinity of which more liglit may now be thrown. I had noticed the 

 likeness of the fruit and seed to that of the Staphyleaceous genus 

 Enscaphis, and I can now bring to view other points, which alto- 

 gether must exclude it from CelastracecB, and in my opinion refer it to 

 tlie Sapindacece, suborder Staphyleinece,* notwithstanding the alternate 

 entire leaves. Mr. Wright's original specimens of G. spinescens show 

 no clear trace of stipules ; but in fresh ones from Parry's Southern 

 Utah collection (No. 27), they are evident on vigorous shoots, in the 

 form of a setaceous-subulate cusp on each side and near the apex of the 

 deltoid squamaceous base of the leaf. As in analogous cases, they are 

 wanting to the fascicled leaves. As in the original specimens of G. 

 spinescens, so in these, altiiough seeds seem to be full-grown and well- 

 formed, I find not a single developed embryo. If this should prove 

 to be straight and the albumen wanting, I should refer the genus to 

 Rosacece near to Purshia ; but I expect it will turn out otherwise. 



Petalostemon tenuifolius. Multicaulis e radice pereuni, pubes- 

 cens, nunc glabratus ; foliis 3-5-foliolatis ; foliolis mox involutis fdi- 

 formi-linearibus petiolo brevioribus parce glandnlosis ; spicis longius 

 pedunculatis ex ovata denium cylindricis densitioris ; bracteis ovatis 

 caudato-aristatis cum calyce sericeo-villosis eglandulosis ; corolla roseo- 



* " Staphi/lecE " Benth. & Hook, is only the plural oi Staphylea, and SlajJij/leece 

 is overchaiged with vowels. 



